## Calculate cosine or sine in Sage

http://www-rohan.sdsu.edu/~monarres/tutorial/sagecalc.html => use sin(30.) the point indicates to Sage that you want the floating point value of the sine

http://www-rohan.sdsu.edu/~monarres/tutorial/sagecalc.html => use sin(30.) the point indicates to Sage that you want the floating point value of the sine

This post is about how I got (almost) the math lecture tool I need. There are still some tweaks I want to do (like finding a nice way to disable edit and hide the backstage part online), but lets start anyway … In this post you can find what I want from my tool and why I started to try TiddlyWiki. Since then I have formulated an addendum, my students shouldn’t need to download additional files, so everything in one […]

Since the beginning of my math-teaching my biggest problem is, how do I get the material into a form that: Can be projected during my lectures Can be put it on the web in a form that is flexible (not as a pdf) People can print out Can render equations (relatively painless to write) and graphics Is interactive, since I do make mistakes and correcting them on the spot is so much easier and sometimes it would be nice to […]